CN202423176U - Home appliance air switch capable of realizing bi-directional protection - Google Patents
Home appliance air switch capable of realizing bi-directional protection Download PDFInfo
- Publication number
- CN202423176U CN202423176U CN2011205590257U CN201120559025U CN202423176U CN 202423176 U CN202423176 U CN 202423176U CN 2011205590257 U CN2011205590257 U CN 2011205590257U CN 201120559025 U CN201120559025 U CN 201120559025U CN 202423176 U CN202423176 U CN 202423176U
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- China
- Prior art keywords
- contact
- magnetic board
- air switch
- spring
- home appliance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A home appliance air switch capable of realizing bi-directional protection consists of a first spring (1), a first sliding chute (2), a first moving plate (3), a first pulley (4), a current monitor (5), a second sliding chute (6), a second pulley (7), a second moving plate (8), a second spring (9), a first contact (10), a first magnetic board (11), a second magnetic board (12), a second contact (13), a bracket (14) and an insulating casing (15). The home appliance air switch is characterized in that the first magnetic board (11) is used for controlling the first contact (10) to be closed or broken off; the second magnetic board (12) is used for controlling the second contact (13) to be closed and broken off; if the first contact (10) is broken off, the second contact (13) is closed, and otherwise, if the first contact (10) is closed, the second contact (13) is broken off; and the second moving plate (8) is connected with the second magnetic board (12) through the second spring (9). The home appliance air switch disclosed by the utility model has the advantage that the bi-directional protection can be provided.
Description
Technical field
The utility model relates to a kind of protective device in the safety utilization of electric power, particularly a kind of household electrical appliances air switch of ability bidirectional protective.
Background technology
The air switch of household electrical appliances use at present through the effect of air expansion, breaks off derailing switch under circuit overcurrent, short circuit or the unusual situation of leaking electricity.But also exist not enough: unidirectional protection often only is provided, bidirectional protective can not be provided.
Summary of the invention
In order to solve the problem that background technology exists; The technical scheme that adopts is following: a kind of household electrical appliances air switch of ability bidirectional protective; Form by first spring (1), first chute (2), the first moving plate (3), first pulley (4), current monitor (5), second chute (6), second pulley (7), the second moving plate (8), second spring (9), first contact (10), first magnetic board (11), second magnetic board (12), second contact (13), support (14), insulation crust (15), it is characterized in that: the closure and the disconnection of described first magnetic board (11) control first contact (10); The closure and the disconnection of described second magnetic board (12) control second contact (13); Described first contact (10) is that first contact (10) breaks off then second contact (13) closure with second contact (13); Otherwise first contact (10) closure then second contact (13) is broken off, and connects through second spring (9) between the second moving plate (8) and second magnetic board (12).The advantage of the utility model patent is: bidirectional protective can be provided.
[0004]
Description of drawings
[0005]
Fig. 1 is the cut-away view of the utility model.
[0006]
Embodiment
As shown in Figure 1; Find current anomaly when current monitor 5, first spring 1 of support 14 1 sides is under the effect of the first moving plate 3, and first pulley 4 that drives in first chute 2 moves down; First magnetic board 11 breaks off first contact 10; Second spring 9 drives on second pulley 7 in second chute 6 and moves under the effect of the second moving plate 8 simultaneously, and second magnetic board 12 makes second contact, 13 closures.After maintenance circuit is good, 10 closed and second contact, 13 disconnections of first contact.If there is not current anomaly, then insulation crust 15 provides external protection for the user.
[0007] explanation at last is: with the above-mentioned execution mode that is merely explanation the utility model; Be not limited to the utility model; Technological people for utility model; All within the principle of the utility model, any modification of being done, replacement etc. all are being included within the protection range of the utility model.
Claims (1)
1. the household electrical appliances air switch of an ability bidirectional protective; Form by first spring (1), first chute (2), the first moving plate (3), first pulley (4), current monitor (5), second chute (6), second pulley (7), the second moving plate (8), second spring (9), first contact (10), first magnetic board (11), second magnetic board (12), second contact (13), support (14), insulation crust (15), it is characterized in that: the closure and the disconnection of described first magnetic board (11) control first contact (10); The closure and the disconnection of described second magnetic board (12) control second contact (13); Described first contact (10) is that first contact (10) breaks off then second contact (13) closure with second contact (13); Otherwise first contact (10) closure then second contact (13) is broken off, and connects through second spring (9) between the second moving plate (8) and second magnetic board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205590257U CN202423176U (en) | 2011-12-29 | 2011-12-29 | Home appliance air switch capable of realizing bi-directional protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205590257U CN202423176U (en) | 2011-12-29 | 2011-12-29 | Home appliance air switch capable of realizing bi-directional protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423176U true CN202423176U (en) | 2012-09-05 |
Family
ID=46747911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205590257U Expired - Fee Related CN202423176U (en) | 2011-12-29 | 2011-12-29 | Home appliance air switch capable of realizing bi-directional protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423176U (en) |
-
2011
- 2011-12-29 CN CN2011205590257U patent/CN202423176U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121229 |